Finding the Fourth Proportional to 449,075,288.80, 673,612,933.20 and 254,911,679.20
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Solution
The fourth proportional to 449,075,288.80, 673,612,933.20 and 254,911,679.20 is: 382,367,518.80
Step by Step Solution
- Step 1: Write the proportion equation
449,075,288.80 : 673,612,933.20 = 254,911,679.20 : x - Step 2: Convert to fraction form
449,075,288.80/673,612,933.20 = 254,911,679.20/x - Step 3: Cross multiply
449,075,288.80x = 673,612,933.20 × 254,911,679.20 - Step 4: Simplify right side
449,075,288.80x = 171,711,803,932,849,440 - Step 5: Solve for x
x = 171,711,803,932,849,440/449,075,288.80 - Step 6: Final answer
x = 382,367,518.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.